Finding the Third Proportional to 26,308.13 and 57,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,308.13 : 57,709.50 = 57,709.50 : x
2. Step 2: Convert to fraction form
   26,308.13/57,709.50 = 57,709.50/x
3. Step 3: Cross multiply
   26,308.13x = 57,709.50 × 57,709.50
4. Step 4: Simplify right side
   26,308.13x = 3,330,386,390.25
5. Step 5: Solve for x
   x = 3,330,386,390.25/26,308.13
6. Step 6: Final answer
   x = 126,591.55